unnoticeably
/ʌnˈnoʊtɪsəbli/
adverb
- In a way that is not easily seen, heard, or detected; without attracting attention.
- The cat moved unnoticeably through the tall grass, stalking its prey.
- The color of the paint faded unnoticeably over many years of sunlight exposure.
- She slipped unnoticeably out of the meeting while everyone was focused on the presentation.
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